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Slicing the Core Network and Radio Access Network Domains through Intent-Based Networking for 5G Networks

Department of Computer Engineering, Jeju National University, Jejusi 63243, Korea
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Electronics 2020, 9(10), 1710; https://doi.org/10.3390/electronics9101710
Received: 9 September 2020 / Revised: 9 October 2020 / Accepted: 14 October 2020 / Published: 18 October 2020
(This article belongs to the Special Issue Radio Access Network Planning and Management)
The fifth-generation mobile network presents a wide range of services which have different requirements in terms of performance, bandwidth, reliability, and latency. The legacy networks are not capable to handle these diverse services with the same physical infrastructure. In this way, network virtualization presents a reliable solution named network slicing that supports service heterogeneity and provides differentiated resources to each service. Network slicing enables network operators to create multiple logical networks over a common physical infrastructure. In this research article, we have designed and implemented an intent-based network slicing system that can slice and manage the core network and radio access network (RAN) resources efficiently. It is an automated system, where users just need to provide higher-level network configurations in the form of intents/contracts for a network slice, and in return, our system deploys and configures the requested resources accordingly. Further, our system grants the automation of the network configurations process and reduces the manual effort. It has an intent-based networking (IBN) tool which can control, manage, and monitor the network slice resources properly. Moreover, a deep learning model, the generative adversarial neural network (GAN), has been used for the management of network resources. Several tests have been carried out with our system by creating three slices, which shows better performance in terms of bandwidth and latency. View Full-Text
Keywords: 5G networks; E2E network slicing; service orchestration; intent based networking; software defined networking; network function virtualization 5G networks; E2E network slicing; service orchestration; intent based networking; software defined networking; network function virtualization
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Abbas, K.; Afaq, M.; Ahmed Khan, T.; Rafiq, A.; Song, W.-C. Slicing the Core Network and Radio Access Network Domains through Intent-Based Networking for 5G Networks. Electronics 2020, 9, 1710.

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